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dawn-cmake/src/validator/validator_test.cc

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// Copyright 2020 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "gtest/gtest.h"
#include "spirv/unified1/GLSL.std.450.h"
#include "src/ast/array_accessor_expression.h"
#include "src/ast/assignment_statement.h"
#include "src/ast/binary_expression.h"
#include "src/ast/bool_literal.h"
#include "src/ast/break_statement.h"
#include "src/ast/call_expression.h"
#include "src/ast/call_statement.h"
#include "src/ast/case_statement.h"
#include "src/ast/continue_statement.h"
#include "src/ast/else_statement.h"
#include "src/ast/float_literal.h"
#include "src/ast/identifier_expression.h"
#include "src/ast/if_statement.h"
#include "src/ast/int_literal.h"
#include "src/ast/loop_statement.h"
#include "src/ast/member_accessor_expression.h"
#include "src/ast/pipeline_stage.h"
#include "src/ast/return_statement.h"
#include "src/ast/scalar_constructor_expression.h"
#include "src/ast/sint_literal.h"
#include "src/ast/stage_decoration.h"
#include "src/ast/struct.h"
#include "src/ast/struct_member.h"
#include "src/ast/switch_statement.h"
#include "src/ast/type/alias_type.h"
#include "src/ast/type/array_type.h"
#include "src/ast/type/bool_type.h"
#include "src/ast/type/f32_type.h"
#include "src/ast/type/i32_type.h"
#include "src/ast/type/matrix_type.h"
#include "src/ast/type/pointer_type.h"
#include "src/ast/type/struct_type.h"
#include "src/ast/type/vector_type.h"
#include "src/ast/type/void_type.h"
#include "src/ast/type_constructor_expression.h"
#include "src/ast/variable.h"
#include "src/ast/variable_decl_statement.h"
#include "src/type_determiner.h"
#include "src/validator/validator_impl.h"
#include "src/validator/validator_test_helper.h"
namespace tint {
namespace {
class ValidatorTest : public ValidatorTestHelper, public testing::Test {};
TEST_F(ValidatorTest, DISABLED_AssignToScalar_Fail) {
// 1 = my_var;
auto* lhs = Expr(1);
auto* rhs = Expr("my_var");
SetSource(Source{Source::Location{12, 34}});
create<ast::AssignmentStatement>(lhs, rhs);
// TODO(sarahM0): Invalidate assignment to scalar.
ASSERT_TRUE(v()->has_error());
// TODO(sarahM0): figure out what should be the error number.
EXPECT_EQ(v()->error(), "12:34 v-000x: invalid assignment");
}
TEST_F(ValidatorTest, UsingUndefinedVariable_Fail) {
// b = 2;
SetSource(Source{Source::Location{12, 34}});
auto* lhs = Expr("b");
auto* rhs = Expr(2);
auto* assign = create<ast::AssignmentStatement>(lhs, rhs);
EXPECT_FALSE(td()->DetermineResultType(assign));
EXPECT_EQ(td()->error(),
"12:34: v-0006: identifier must be declared before use: b");
}
TEST_F(ValidatorTest, UsingUndefinedVariableInBlockStatement_Fail) {
// {
// b = 2;
// }
SetSource(Source{Source::Location{12, 34}});
auto* lhs = Expr("b");
auto* rhs = Expr(2);
auto* body = create<ast::BlockStatement>(ast::StatementList{
create<ast::AssignmentStatement>(lhs, rhs),
});
EXPECT_FALSE(td()->DetermineStatements(body));
EXPECT_EQ(td()->error(),
"12:34: v-0006: identifier must be declared before use: b");
}
TEST_F(ValidatorTest, AssignCompatibleTypes_Pass) {
// var a :i32 = 2;
// a = 2
auto* var = Var("a", ast::StorageClass::kNone, ty.i32, Expr(2),
ast::VariableDecorationList{});
auto* lhs = Expr("a");
auto* rhs = Expr(2);
auto* assign = create<ast::AssignmentStatement>(
Source{Source::Location{12, 34}}, lhs, rhs);
td()->RegisterVariableForTesting(var);
EXPECT_TRUE(td()->DetermineResultType(assign)) << td()->error();
ASSERT_NE(lhs->result_type(), nullptr);
ASSERT_NE(rhs->result_type(), nullptr);
EXPECT_TRUE(v()->ValidateResultTypes(assign));
}
TEST_F(ValidatorTest, AssignIncompatibleTypes_Fail) {
// {
// var a :i32 = 2;
// a = 2.3;
// }
auto* var = Var("a", ast::StorageClass::kNone, ty.i32, Expr(2),
ast::VariableDecorationList{});
auto* lhs = Expr("a");
auto* rhs = Expr(2.3f);
auto* assign = create<ast::AssignmentStatement>(
Source{Source::Location{12, 34}}, lhs, rhs);
td()->RegisterVariableForTesting(var);
EXPECT_TRUE(td()->DetermineResultType(assign)) << td()->error();
ASSERT_NE(lhs->result_type(), nullptr);
ASSERT_NE(rhs->result_type(), nullptr);
EXPECT_FALSE(v()->ValidateResultTypes(assign));
ASSERT_TRUE(v()->has_error());
// TODO(sarahM0): figure out what should be the error number.
EXPECT_EQ(v()->error(),
"12:34 v-000x: invalid assignment of '__i32' to '__f32'");
}
TEST_F(ValidatorTest, AssignCompatibleTypesInBlockStatement_Pass) {
// {
// var a :i32 = 2;
// a = 2
// }
auto* var = Var("a", ast::StorageClass::kNone, ty.i32, Expr(2),
ast::VariableDecorationList{});
auto* lhs = Expr("a");
auto* rhs = Expr(2);
auto* body = create<ast::BlockStatement>(ast::StatementList{
create<ast::VariableDeclStatement>(var),
create<ast::AssignmentStatement>(Source{Source::Location{12, 34}}, lhs,
rhs),
});
EXPECT_TRUE(td()->DetermineStatements(body)) << td()->error();
ASSERT_NE(lhs->result_type(), nullptr);
ASSERT_NE(rhs->result_type(), nullptr);
EXPECT_TRUE(v()->ValidateStatements(body)) << v()->error();
}
TEST_F(ValidatorTest, AssignIncompatibleTypesInBlockStatement_Fail) {
// {
// var a :i32 = 2;
// a = 2.3;
// }
auto* var = Var("a", ast::StorageClass::kNone, ty.i32, Expr(2),
ast::VariableDecorationList{});
auto* lhs = Expr("a");
auto* rhs = Expr(2.3f);
auto* block = create<ast::BlockStatement>(ast::StatementList{
create<ast::VariableDeclStatement>(var),
create<ast::AssignmentStatement>(Source{Source::Location{12, 34}}, lhs,
rhs),
});
EXPECT_TRUE(td()->DetermineStatements(block)) << td()->error();
ASSERT_NE(lhs->result_type(), nullptr);
ASSERT_NE(rhs->result_type(), nullptr);
EXPECT_FALSE(v()->ValidateStatements(block));
ASSERT_TRUE(v()->has_error());
// TODO(sarahM0): figure out what should be the error number.
EXPECT_EQ(v()->error(),
"12:34 v-000x: invalid assignment of '__i32' to '__f32'");
}
TEST_F(ValidatorTest, GlobalVariableWithStorageClass_Pass) {
// var<in> gloabl_var: f32;
mod->AddGlobalVariable(Var(Source{Source::Location{12, 34}}, "global_var",
ast::StorageClass::kInput, ty.f32, nullptr,
ast::VariableDecorationList{}));
EXPECT_TRUE(v()->ValidateGlobalVariables(mod->global_variables()))
<< v()->error();
}
TEST_F(ValidatorTest, GlobalVariableNoStorageClass_Fail) {
// var gloabl_var: f32;
mod->AddGlobalVariable(Var(Source{Source::Location{12, 34}}, "global_var",
ast::StorageClass::kNone, ty.f32, nullptr,
ast::VariableDecorationList{}));
EXPECT_TRUE(td()->Determine()) << td()->error();
EXPECT_FALSE(v()->Validate());
EXPECT_EQ(v()->error(),
"12:34 v-0022: global variables must have a storage class");
}
TEST_F(ValidatorTest, GlobalConstantWithStorageClass_Fail) {
// const<in> gloabl_var: f32;
mod->AddGlobalVariable(Const(Source{Source::Location{12, 34}}, "global_var",
ast::StorageClass::kInput, ty.f32, nullptr,
ast::VariableDecorationList{}));
EXPECT_TRUE(td()->Determine()) << td()->error();
EXPECT_FALSE(v()->Validate());
EXPECT_EQ(
v()->error(),
"12:34 v-global01: global constants shouldn't have a storage class");
}
TEST_F(ValidatorTest, GlobalConstNoStorageClass_Pass) {
// const gloabl_var: f32;
mod->AddGlobalVariable(Const(Source{Source::Location{12, 34}}, "global_var",
ast::StorageClass::kNone, ty.f32, nullptr,
ast::VariableDecorationList{}));
EXPECT_TRUE(td()->Determine()) << td()->error();
EXPECT_FALSE(v()->Validate()) << v()->error();
}
TEST_F(ValidatorTest, UsingUndefinedVariableGlobalVariable_Fail) {
// var global_var: f32 = 2.1;
// fn my_func() -> f32 {
// not_global_var = 3.14f;
// }
mod->AddGlobalVariable(Var("global_var", ast::StorageClass::kPrivate, ty.f32,
Expr(2.1f), ast::VariableDecorationList{}));
SetSource(Source{Source::Location{12, 34}});
auto* lhs = Expr("not_global_var");
auto* rhs = Expr(3.14f);
auto* func = Func("my_func", ast::VariableList{}, ty.f32,
ast::StatementList{
create<ast::AssignmentStatement>(
Source{Source::Location{12, 34}}, lhs, rhs),
},
ast::FunctionDecorationList{});
mod->AddFunction(func);
EXPECT_FALSE(v()->Validate());
EXPECT_EQ(v()->error(), "12:34 v-0006: 'not_global_var' is not declared");
}
TEST_F(ValidatorTest, UsingUndefinedVariableGlobalVariable_Pass) {
// var global_var: f32 = 2.1;
// fn my_func() -> void {
// global_var = 3.14;
// return;
// }
mod->AddGlobalVariable(Var("global_var", ast::StorageClass::kPrivate, ty.f32,
Expr(2.1f), ast::VariableDecorationList{}));
auto* func = Func(
"my_func", ast::VariableList{}, ty.void_,
ast::StatementList{
create<ast::AssignmentStatement>(Source{Source::Location{12, 34}},
Expr("global_var"), Expr(3.14f)),
create<ast::ReturnStatement>(),
},
ast::FunctionDecorationList{
create<ast::StageDecoration>(ast::PipelineStage::kVertex),
});
mod->AddFunction(func);
EXPECT_TRUE(td()->Determine()) << td()->error();
EXPECT_TRUE(v()->Validate()) << v()->error();
}
TEST_F(ValidatorTest, UsingUndefinedVariableInnerScope_Fail) {
// {
// if (true) { var a : f32 = 2.0; }
// a = 3.14;
// }
auto* var = Var("a", ast::StorageClass::kNone, ty.f32, Expr(2.0f),
ast::VariableDecorationList{});
auto* cond = Expr(true);
auto* body = create<ast::BlockStatement>(ast::StatementList{
create<ast::VariableDeclStatement>(var),
});
SetSource(Source{Source::Location{12, 34}});
auto* lhs = Expr("a");
auto* rhs = Expr(3.14f);
auto* outer_body = create<ast::BlockStatement>(ast::StatementList{
create<ast::IfStatement>(cond, body, ast::ElseStatementList{}),
create<ast::AssignmentStatement>(Source{Source::Location{12, 34}}, lhs,
rhs),
});
EXPECT_TRUE(td()->DetermineStatements(outer_body)) << td()->error();
ASSERT_NE(lhs->result_type(), nullptr);
ASSERT_NE(rhs->result_type(), nullptr);
EXPECT_FALSE(v()->ValidateStatements(outer_body));
EXPECT_EQ(v()->error(), "12:34 v-0006: 'a' is not declared");
}
TEST_F(ValidatorTest, UsingUndefinedVariableOuterScope_Pass) {
// {
// var a : f32 = 2.0;
// if (true) { a = 3.14; }
// }
auto* var = Var("a", ast::StorageClass::kNone, ty.f32, Expr(2.0f),
ast::VariableDecorationList{});
SetSource(Source{Source::Location{12, 34}});
auto* lhs = Expr("a");
auto* rhs = Expr(3.14f);
auto* cond = Expr(true);
auto* body = create<ast::BlockStatement>(ast::StatementList{
create<ast::AssignmentStatement>(Source{Source::Location{12, 34}}, lhs,
rhs),
});
auto* outer_body = create<ast::BlockStatement>(ast::StatementList{
create<ast::VariableDeclStatement>(var),
create<ast::IfStatement>(cond, body, ast::ElseStatementList{}),
});
EXPECT_TRUE(td()->DetermineStatements(outer_body)) << td()->error();
ASSERT_NE(lhs->result_type(), nullptr);
ASSERT_NE(rhs->result_type(), nullptr);
EXPECT_TRUE(v()->ValidateStatements(outer_body)) << v()->error();
}
TEST_F(ValidatorTest, GlobalVariableUnique_Pass) {
// var global_var0 : f32 = 0.1;
// var global_var1 : i32 = 0;
auto* var0 = Var("global_var0", ast::StorageClass::kPrivate, ty.f32,
Expr(0.1f), ast::VariableDecorationList{});
mod->AddGlobalVariable(var0);
auto* var1 = Var(Source{Source::Location{12, 34}}, "global_var1",
ast::StorageClass::kPrivate, ty.f32, Expr(0),
ast::VariableDecorationList{});
mod->AddGlobalVariable(var1);
EXPECT_TRUE(v()->ValidateGlobalVariables(mod->global_variables()))
<< v()->error();
}
TEST_F(ValidatorTest, GlobalVariableNotUnique_Fail) {
// var global_var : f32 = 0.1;
// var global_var : i32 = 0;
auto* var0 = Var("global_var", ast::StorageClass::kPrivate, ty.f32,
Expr(0.1f), ast::VariableDecorationList{});
mod->AddGlobalVariable(var0);
auto* var1 = Var(Source{Source::Location{12, 34}}, "global_var",
ast::StorageClass::kPrivate, ty.i32, Expr(0),
ast::VariableDecorationList{});
mod->AddGlobalVariable(var1);
EXPECT_FALSE(v()->ValidateGlobalVariables(mod->global_variables()));
EXPECT_EQ(v()->error(),
"12:34 v-0011: redeclared global identifier 'global_var'");
}
TEST_F(ValidatorTest, AssignToConstant_Fail) {
// {
// const a :i32 = 2;
// a = 2
// }
auto* var = Const("a", ast::StorageClass::kNone, ty.i32, Expr(2),
ast::VariableDecorationList{});
auto* lhs = Expr("a");
auto* rhs = Expr(2);
auto* body = create<ast::BlockStatement>(ast::StatementList{
create<ast::VariableDeclStatement>(var),
create<ast::AssignmentStatement>(Source{Source::Location{12, 34}}, lhs,
rhs),
});
EXPECT_TRUE(td()->DetermineStatements(body)) << td()->error();
ASSERT_NE(lhs->result_type(), nullptr);
ASSERT_NE(rhs->result_type(), nullptr);
EXPECT_FALSE(v()->ValidateStatements(body));
EXPECT_EQ(v()->error(), "12:34 v-0021: cannot re-assign a constant: 'a'");
}
TEST_F(ValidatorTest, GlobalVariableFunctionVariableNotUnique_Fail) {
// var a: f32 = 2.1;
// fn my_func -> void {
// var a: f32 = 2.0;
// return 0;
// }
auto* global_var = Var("a", ast::StorageClass::kPrivate, ty.f32, Expr(2.1f),
ast::VariableDecorationList{});
mod->AddGlobalVariable(global_var);
auto* var = Var("a", ast::StorageClass::kNone, ty.f32, Expr(2.0f),
ast::VariableDecorationList{});
auto* func = Func("my_func", ast::VariableList{}, ty.void_,
ast::StatementList{
create<ast::VariableDeclStatement>(
Source{Source::Location{12, 34}}, var),
},
ast::FunctionDecorationList{});
mod->AddFunction(func);
EXPECT_TRUE(td()->Determine()) << td()->error();
EXPECT_TRUE(td()->DetermineFunction(func)) << td()->error();
EXPECT_FALSE(v()->Validate()) << v()->error();
EXPECT_EQ(v()->error(), "12:34 v-0013: redeclared identifier 'a'");
}
TEST_F(ValidatorTest, RedeclaredIndentifier_Fail) {
// fn my_func() -> void {
// var a :i32 = 2;
// var a :f21 = 2.0;
// }
auto* var = Var("a", ast::StorageClass::kNone, ty.i32, Expr(2),
ast::VariableDecorationList{});
auto* var_a_float = Var("a", ast::StorageClass::kNone, ty.f32, Expr(0.1f),
ast::VariableDecorationList{});
auto* func = Func("my_func", ast::VariableList{}, ty.void_,
ast::StatementList{
create<ast::VariableDeclStatement>(var),
create<ast::VariableDeclStatement>(
Source{Source::Location{12, 34}}, var_a_float),
},
ast::FunctionDecorationList{});
mod->AddFunction(func);
EXPECT_TRUE(td()->Determine()) << td()->error();
EXPECT_TRUE(td()->DetermineFunction(func)) << td()->error();
EXPECT_FALSE(v()->Validate());
EXPECT_EQ(v()->error(), "12:34 v-0014: redeclared identifier 'a'");
}
TEST_F(ValidatorTest, RedeclaredIdentifierInnerScope_Pass) {
// {
// if (true) { var a : f32 = 2.0; }
// var a : f32 = 3.14;
// }
auto* var = Var("a", ast::StorageClass::kNone, ty.f32, Expr(2.0f),
ast::VariableDecorationList{});
auto* cond = Expr(true);
auto* body = create<ast::BlockStatement>(ast::StatementList{
create<ast::VariableDeclStatement>(var),
});
auto* var_a_float = Var("a", ast::StorageClass::kNone, ty.f32, Expr(3.1f),
ast::VariableDecorationList{});
auto* outer_body = create<ast::BlockStatement>(ast::StatementList{
create<ast::IfStatement>(cond, body, ast::ElseStatementList{}),
create<ast::VariableDeclStatement>(Source{Source::Location{12, 34}},
var_a_float),
});
EXPECT_TRUE(td()->DetermineStatements(outer_body)) << td()->error();
EXPECT_TRUE(v()->ValidateStatements(outer_body)) << v()->error();
}
TEST_F(ValidatorTest, DISABLED_RedeclaredIdentifierInnerScope_False) {
// TODO(sarahM0): remove DISABLED after implementing ValidateIfStatement
// and it should just work
// {
// var a : f32 = 3.14;
// if (true) { var a : f32 = 2.0; }
// }
auto* var_a_float = Var("a", ast::StorageClass::kNone, ty.f32, Expr(3.1f),
ast::VariableDecorationList{});
auto* var = Var("a", ast::StorageClass::kNone, ty.f32, Expr(2.0f),
ast::VariableDecorationList{});
auto* cond = Expr(true);
auto* body = create<ast::BlockStatement>(ast::StatementList{
create<ast::VariableDeclStatement>(Source{Source::Location{12, 34}}, var),
});
auto* outer_body = create<ast::BlockStatement>(ast::StatementList{
create<ast::VariableDeclStatement>(var_a_float),
create<ast::IfStatement>(cond, body, ast::ElseStatementList{}),
});
EXPECT_TRUE(td()->DetermineStatements(outer_body)) << td()->error();
EXPECT_FALSE(v()->ValidateStatements(outer_body));
EXPECT_EQ(v()->error(), "12:34 v-0014: redeclared identifier 'a'");
}
TEST_F(ValidatorTest, RedeclaredIdentifierDifferentFunctions_Pass) {
// func0 { var a : f32 = 2.0; return; }
// func1 { var a : f32 = 3.0; return; }
auto* var0 = Var("a", ast::StorageClass::kNone, ty.f32, Expr(2.0f),
ast::VariableDecorationList{});
auto* var1 = Var("a", ast::StorageClass::kNone, ty.void_, Expr(1.0f),
ast::VariableDecorationList{});
auto* func0 = Func("func0", ast::VariableList{}, ty.void_,
ast::StatementList{
create<ast::VariableDeclStatement>(
Source{Source::Location{12, 34}}, var0),
create<ast::ReturnStatement>(),
},
ast::FunctionDecorationList{});
auto* func1 =
Func("func1", ast::VariableList{}, ty.void_,
ast::StatementList{
create<ast::VariableDeclStatement>(
Source{Source::Location{13, 34}}, var1),
create<ast::ReturnStatement>(),
},
ast::FunctionDecorationList{
create<ast::StageDecoration>(ast::PipelineStage::kVertex),
});
mod->AddFunction(func0);
mod->AddFunction(func1);
EXPECT_TRUE(td()->Determine()) << td()->error();
EXPECT_TRUE(v()->Validate()) << v()->error();
}
TEST_F(ValidatorTest, VariableDeclNoConstructor_Pass) {
// {
// var a :i32;
// a = 2;
// }
auto* var = Var("a", ast::StorageClass::kNone, ty.i32, nullptr,
ast::VariableDecorationList{});
td()->RegisterVariableForTesting(var);
auto* lhs = Expr("a");
auto* rhs = Expr(2);
auto* body = create<ast::BlockStatement>(ast::StatementList{
create<ast::VariableDeclStatement>(var),
create<ast::AssignmentStatement>(Source{Source::Location{12, 34}}, lhs,
rhs),
});
EXPECT_TRUE(td()->DetermineStatements(body)) << td()->error();
ASSERT_NE(lhs->result_type(), nullptr);
ASSERT_NE(rhs->result_type(), nullptr);
EXPECT_TRUE(v()->ValidateStatements(body)) << v()->error();
}
} // namespace
} // namespace tint
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